Pyrite replacing Pyrrhotite with Sphalerite, Calcite

Unknown Owner
A grouping of thin bladed crystals of what were once pyrrhotite, these now replaced by pyrite across the top of matrix. Lustrous black crystals of sphalerite are present as well. This is just starting to show some pyrite decomposition.

Product details

SizeCabinet
Dimensions13.0 x 10.0 x 6.0 cm
Added on07/31/2025

Known provenance

DateCollectorAcquisition price
08/2025Unknown Owner$50.00
Weinrich MineralsNot disclosed